Fastrack M1306B User Guide
Functional Description
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WM_PRJ_M13_UGD_001 -003 November 11, 2006
7.3.3 Pin Description
Signal Sub HD connector
Pin number
I/O I/O type
RS232
STANDARD
Description
CTXD/CT103 2 I TX Transmit serial data
CRXD/CT104 6 O RX Receive serial data
CRTS/CT105 12 I RTS Request To Send
CCTS/CT106 11 O CTS Clear To Send
CDSR/CT107 7 O DSR Data Set Ready
CDTR/CT108-2 8 I DTR Data Terminal Ready
CDCD/CT109 1 O DCD Data Carrier Detect
CRI/CT125 13 O RI Ring Indicator
CT102/GND 9 GND Ground
7.4 General Purpose Input/Output (GPIO)
The Fastrack M1306B provides two General Purpose Input / Output lines available for
external use: GPIO4 and GPIO5.
These GPIOs may be controlled by AT commands:
•
AT+WIOW for a write access to the GPIO value, when the GPIO is used as an
output,
•
AT+WIOR for a read access to the GPIO value, when the GPIO is used as an
input.
Refer to "AT Commands Interface Guide" [7] for further information on AT commands.
After reset, both GPIOs are configured as inputs. The
AT+WIOM command has to be
used to change this configuration (refer to "AT Commands Interface Guide" [7] for
further details).
Pin description
Signal Power Supply connector
(4-pin Micro-Fit)
I/O I/O type Description
GPIO4 3 I/O CMOS / 2X General Purpose I/O
GPIO5 4 I/O CMOS / 2X General Purpose I/O
Notes
:
• The power supply cable may need to be modified due to the GPIO signals
(GPIO4 & GPIO5) available on the 4-pin Micro-FIT connector of the M1306B.
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